Electricity Review

What is electricity?

• an object that electrons do not flow through

• energy created by moving charged particles

• when two objects repel each other

• a circuit that has only one path for electricity to flow

Which of the following is an insulator?

• an eraser

• a wire

• a penny

• a metal spoon

Which of the following is a conductor?

• wood

• rubber

• metal

• plastic

This picture shows a circuit that is

• closed

• open

• an insulator

• static electricity

What kind of electricity is natural (example: lightning)?

• current electricity

• static electricity

• power source

• insulator

Imagine you are creating a circuit. It works and the light bulb turns on. Then you add a piece of plastic to the circuit, and the light bulb does not turn on. We can infer that the plastic is

• an insulator

• a conductor

• an electron

• static electricity

If the light bulb turns ON in a circuit, that means the circuit is

• open

• closed

Items that have the same charge will do what?

• attract

• repel

Items that have opposite charges do what?

• attract

• repel

• nothing changes

What is a device that supplies the power to an electric circuit (for example: a battery)?

• electron

• atom

• power source

• fuse